3169 20170424093951.0 OUTRTLK-2017-0017 Janssens, J. Stormachtig ruimteweer tijdens de 24ste zonnecyclus 2017 2017-04-22 What is space weather? Illustration with some historical examples. How is space weather predicted at the SIDC? Stormy space weather during SC24 and space weather effects. STCE VVS Algemene Vergadering - Heyzel, Brussels, Belgium jan.janssens@observatoire.be http://www.spaceweather.eu/en/repository/show?id=620 OUTRTLK